hepmc: rename to hepmc2

pkgs/applications/science/physics/sacrifice/default.nix

@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, boost, hepmc, lhapdf, pythia, makeWrapper }:
+{ stdenv, fetchurl, boost, hepmc2, lhapdf, pythia, makeWrapper }:
 
 stdenv.mkDerivation rec {
   name = "sacrifice-${version}";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "10bvpq63kmszy1habydwncm0j1dgvam0fkrmvkgbkvf804dcjp6g";
   };
 
-  buildInputs = [ boost hepmc lhapdf pythia ];
+  buildInputs = [ boost hepmc2 lhapdf pythia ];
   nativeBuildInputs = [ makeWrapper ];
 
   patches = [
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   '';
 
   configureFlags = [
-    "--with-HepMC=${hepmc}"
+    "--with-HepMC=${hepmc2}"
     "--with-pythia=${pythia}"
   ];
 

pkgs/applications/science/physics/sherpa/default.nix

@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, gfortran, hepmc, fastjet, lhapdf, rivet, sqlite }:
+{ stdenv, fetchurl, gfortran, hepmc2, fastjet, lhapdf, rivet, sqlite }:
 
 stdenv.mkDerivation rec {
   name = "sherpa-${version}";
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   configureFlags = [
     "--with-sqlite3=${sqlite.dev}"
-    "--enable-hepmc2=${hepmc}"
+    "--enable-hepmc2=${hepmc2}"
     "--enable-fastjet=${fastjet}"
     "--enable-lhapdf=${lhapdf}"
     "--enable-rivet=${rivet}"